181231921

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{3541}}^1$

素因数の和:3712

約数の個数: 16

約数和(自身を含む): 203112448

約数和(自身を除く): 21880527

約数列:

[1, 13, 31, 127, 403, 1651, 3541, 3937, 46033, 51181, 109771, 449707, 1427023, 5846191, 13940917, 181231921]

約数ペア:

[(1, 181231921), (13, 13940917), (31, 5846191), (127, 1427023), (403, 449707), (1651, 109771), (3541, 51181), (3937, 46033)]